implement test framework

This package is missing unit tests. Testing this is crucial as this package shall serve as the basis for the usage in web applications. I am not a super-well experienced typescript developer, but one could follow this guide to set up something

https://medium.com/swlh/how-to-setting-up-unit-tests-with-typescript-871c0f4f1609

we would need a running message broker and backend module for the tests, so we should use a docker compose setup (such as it is templated in the backend modules) and run the tests via docker compose (as we do in the thredds-control-center

changed milestone to %Official release

assigned to @Chilipp

changed title from implement tests to implement test framework

unassigned @Chilipp

closed via !6 (merged)

closed